Câu 88. Bổ sung chuỗi phản ứng sau:
(1) +H
2Pd,t
0 (2) C
2H
5OH (3)
(5) (4)
(1): C
2H
4, (2): C
2H
6, (3): C
2H
5Cl, (4): CH
3COOH, (5): CH
3CHO.
(1): C
2H
2, (2): C
2H
4, (3): CH
3CHO, (4): CH
3COOH, (5): CH
3COOC
2H
5.
(1): C
2H
4, (2): C
2H
5Cl, (3): CH
3COOH, (4): CH
3CHO, (5): CH
3COOC
2H
5.
(1): CH
4, (2): C
2H
4, (3): C
2H
5Cl, (4): CH
3CHO, (5): CH
3COOC
2H
5.
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